.add_course {
    min-height: 200px;
    margin: 5px;
    padding: 10px;
    width: 70%;
}
.add_page {
    min-height: 200px;
    margin: 5px;
    padding: 10px;
    width: 80%;
}
.category-div {
    float: left;
    position: relative;
    width: 400px;
}
.category-sel{
    width: 100px;
}

.category {
    float: left;
    font-size: 30px;
    color: #1e9fff;
    position: absolute;
    right: 30%;
    top: 5px;
}
.layui-upload{
    padding: 10px;
    border: #cccccc solid 1px;
}
.submit{
    padding-top: 20px;
}
.img-upload{
    width: 60%;
}
.layui-img{

}